Portsmouth, NH headlines
Stay updated with the latest news, insights, and advancements from Bartlett Tree Experts, including innovations in tree care, research highlights, and company updates.

10/1/2026
Identifying hazardous tree conditions
When there is a hanging branch or crack in a tree, it’s easy to see that a problem exists. Other issues may be more difficult to detect.
Simple solutions can make a big difference. Pruning can lessen branch weight and wind resistance. Cables and brace rods can also be effective in helping to limit branch movement and protect trees.

9/4/2026
Important advice for autumn
Fertilization is the single most important proactive measure you can take in caring for your trees this season. Soil care and fertilization in autumn dramatically improve growing conditions and provide the nutrients required for vital tree root development.

8/4/2026
Don't miss these warning signs
Trees under stress display key symptoms indicating a serious problem may exist. This includes wilting or loss of leaves/needles, yellowing of leaves or browning of needles, premature autumn color, early leaf drop and sappy spots on branches. Correctly identifying the underlying cause is critical to addressing tree health issues.

7/1/2026
Summer tree threats
Summer is a time of high activity for pests as well as tree diseases caused by fungi and other organisms. Some problems may be simply aesthetic, while others can be a real threat to tree health and vitality. As such, it is important to have an arborist check your trees to determine the underlying cause.

6/1/2026
Tree failures from summer storms
Summer storms often cause branches or entire trees to fall. Preventative care can help you maintain your landscape while mitigating the possibility of unanticipated costs.

6/1/2026
Tree care recommendations for summer
Given the stress from higher temperatures and lack of rainfall comon in summer, it is critical to water your trees and shrubs thoroughly. Applying a 3-4" layer of mulch, inspecting for pest infestations and scheduling fall fertilization can also help maintain tree health and vigor.

5/4/2026
Critical care for trees
Now is a critical time of year to prepare your trees and shrubs for the coming summer. Healthy trees and shrubs are better able to withstand the higher temperatures and weather extremes that summer brings. Proper care in spring can help ensure the health of your landscape plants.

4/1/2026
Tick management
Given the likelihood of encountering ticks, it is important to know that controlling tick populations in your landscape is possible. The first step is assessing your landscape for common habitats like wooded areas, leaf litter and ornamental beds. Based on the assessment, treatments can specifically target at-risk areas.

4/1/2026
Beech leaf disease
Beech leaf disease, has been spreading rapidly. As implied by the name, the disease attacks beech trees, one of the most commonly found trees in our area. Caused by microscopic worms called nematodes, the first sign of infection are discolored stripes between the veins of impacted leaves. As the disease progresses, the tree will show signs of stunted growth and yellowing leaves.

3/6/2026
Emerald ash borer
Emerald Ash Borer continues to be a serious threat to ash trees in our area. Without intervention, tree death is swift and total. Do not wait for signs of damage. If you have ash trees, they should be treated in spring to prevent infestation.

3/6/2026
Tree problems can cause long-term damage
Now is the time to address tree health issues that are commonplace this time of year. Problems including browning on evergreen needles, damage to twigs and branches, cracks or splits in the bark and root issues should be identified in early spring, before serious damage occurs.

2/10/2026
Prepare trees for spring
After winter ends, your trees and shrubs will be working hard to establish spring growth. A soil test in early spring can help determine the precise nutrients needed for that growth, yielding a fuller canopy and vibrant, health foliage.